html,body,div,p,a,img,ul,ol,li,h1,h2,h3,h4,h5,h6,input,i,em,dl,dt,dd,span,table,td,tr,th,form {
    padding: 0;
     margin: 0;
   }
   body {
     font-size: 12px;
     font-family: "微软雅黑";
   }
   ul li,
   ol li {
     list-style: none;
   }
   a {
     text-decoration: none;
   }
   .fl {
     float: left;
   }
   .fr {
     float: right;
   }
   .clearfix::after {
     content: "";
     display: block;
     height: 0;
     font-size: 0;
     overflow: hidden;
     visibility: hidden;
     clear: both;
   }
   img {
     vertical-align: top;
   }
   h1,h2,h3,h4,h5,h6 {
     font-weight: normal;
   }
   i,em {
     font-style: normal;
   }
   textarea {
     resize: none;
   }
   input {
     outline: none;
   }
   